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Finding the Fourth Proportional to 270,281.79, 405,459.93 and 92,765.73

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Solution

The fourth proportional to 270,281.79, 405,459.93 and 92,765.73 is: 139,161.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,281.79 : 405,459.93 = 92,765.73 : x
  2. Step 2: Convert to fraction form
    270,281.79/405,459.93 = 92,765.73/x
  3. Step 3: Cross multiply
    270,281.79x = 405,459.93 × 92,765.73
  4. Step 4: Simplify right side
    270,281.79x = 37,612,786,392.20
  5. Step 5: Solve for x
    x = 37,612,786,392.20/270,281.79
  6. Step 6: Final answer
    x = 139,161.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.